"Great art has dreadful manners," Simon Schama observes wryly at the start of his epic and explosive exploration of the power, and whole point, of art. "The hushed reverence of the gallery can fool you into believing masterpieces are polite things; visions that soothe, charm and beguile, but actually they are thugs. Merciless and wily, the greatest paintings grab you in a headlock, rough up your composure, and then proceed in short order to re-arrange your sense of reality. . . ." With the same disarming force, The Power of Art propels us on an eye-opening, breathtaking odyssey, zooming in on eight extraordinary masterpieces, from Caravaggio's David and Goliath to Picasso's Guernica . Jolting us far from the comfort zone of the hushed art gallery, Schama closes in on intense make-or-break turning points in the lives of eight great artists who, under extreme stress, created something unprecedented, altering the course of art forever. The...